FHWA NBI 2024 Inspection record Public-domain dataset

N4725

Carrying N4725 over CREEK

0.5 E; 0.5 S REDLAND, McCurtain, Oklahoma

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
19 t Inventory load rating

Bridge Snapshot: N4725

The N4725 bridge in McCurtain, Oklahoma carries N4725 over CREEK. It was built in 1993, making it 33 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 12.8 meters (42 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Oklahoma bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 19.1 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How N4725 compares

▼ 13.3
Load rating vs Oklahoma average (32.4 t)
Bottom 9%
Lower load rating than 91% of Oklahoma bridges
260
Bridges in McCurtain · 31 in Poor condition
N4725 19.1 t
Oklahoma average 32.4 t

Live comparison across Oklahoma.

Historical Sufficiency Rating

PlainBridge-computed
73.2 / 100 - historical 50–79.9 band
Structural adequacy /55
29.2
Serviceability /30
29.0
Essentiality /15
15.0
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Culvert
5/9
Fair (5–6)
Inventory Load Rating
19.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1993
Material
Concrete
Number of Spans
3
Structure Length
12.8 m (42 ft)
Deck Width
12.8 m (42 ft)
Owner
County Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
233150000000000

How to read this record

This page shows what the last federal inspection recorded, not whether N4725 is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare N4725 against other structures in McCurtain and across Oklahoma. Oklahoma bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for N4725?

N4725 in McCurtain, Oklahoma on the FHWA's 0–9 scale.

How often is N4725 inspected?

N4725's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 50 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. N4725 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for N4725?

N4725 has an NBI inventory load rating of 19.1 metric tons.

Who is responsible for maintaining N4725?

N4725 is owned and maintained by County Highway Agency.

How old is N4725 and does age affect safety?

N4725 was built in 1993, making it 33 years old.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.